Patents for G04G 19 - Electric power supply circuits specially adapted for use in electronic time-pieces (1,255) |
---|
04/06/2000 | WO2000019280A1 System and method for reducing power consumption in waiting mode |
04/05/2000 | EP0990961A1 Electromagnetic transducer and electronic device including the transducer |
04/04/2000 | US6046648 Crystal oscillator circuit having low power consumption |
03/30/2000 | WO2000017716A1 Electronic timepiece, and method of power supply and time adjustment thereof |
03/09/2000 | WO2000013066A1 Electronic watch with generating function |
03/01/2000 | EP0982638A1 Electronic control timepiece |
02/23/2000 | CN1049747C AC driving device |
02/02/2000 | EP0976420A1 Movement powered timepiece having a full-wave rectifier with dynamic bias |
01/26/2000 | EP0974377A1 Full-wave rectifier with dynamic bias |
01/19/2000 | EP0972335A2 Thermal power converter for supplying electricity to an autonomous apparatus with low consumption from a very slight difference in temperature |
01/12/2000 | CN1241270A Small-sized electronic equipment |
01/12/2000 | CN1241265A Nonemissive displays and piezoelectric power supplies therefor |
12/08/1999 | EP0962840A1 Small-sized electronic equipment |
11/09/1999 | US5982157 Chopper-amplifier for the voltage of a photovoltaic power source, in particular for a timepiece |
11/02/1999 | US5978318 Timepiece device mechanism for indicating restart after recharging |
10/27/1999 | EP0952500A1 Electronic device and method for controlling electronic device |
10/26/1999 | US5974002 Electronic watch using a thermoelement |
09/29/1999 | EP0945769A1 Watch provided with thermoelectric generation unit |
09/08/1999 | CN2337593Y 时钟 Clock |
09/02/1999 | WO1999044103A1 Power generation device and electronic timepiece using the device |
08/26/1999 | WO1999042910A1 Portable wrist device |
08/25/1999 | EP0937278A2 Nonemissive displays and piezoelectric power supplies therefor |
08/19/1999 | WO1999041638A1 Electrooptical cell or photovoltaic cell, and method for making same |
08/17/1999 | US5940348 Electronic timepiece |
08/11/1999 | EP0935334A2 Electronic device fitted with power generators |
08/11/1999 | EP0935178A2 Radio-controlled watch |
08/10/1999 | CA2044002C Housing for an energy cell in a wristwatch |
07/28/1999 | CN1224516A Electronic circuit, semiconductor device, electronic equipment, and clock |
07/27/1999 | US5930026 Nonemissive displays and piezoelectric power supplies therefor |
07/27/1999 | US5929715 Oscillation circuit having electrostatic protective circuit |
07/08/1999 | WO1999034452A1 Thermoelectric generation unit and portable electronic device using the unit |
06/23/1999 | CN1220783A Oscillation circuit, electronic circuit, semiconductor device, electronic equipment and clock |
06/03/1999 | WO1999027423A1 Electronic device and method for controlling electronic device |
06/02/1999 | EP0919959A1 Portable object, in particular a watch, containing multiple selectable electronic modules |
06/02/1999 | EP0919887A2 Electronic timepiece having thermoelectric element |
05/12/1999 | EP0915409A1 Electronic circuit, semiconductor device, electronic equipment, and clock |
05/05/1999 | CN1216127A Electronic clock |
04/28/1999 | EP0848842B1 Timepiece movement |
04/22/1999 | WO1999019775A1 Watch provided with thermoelectric generation unit |
04/21/1999 | EP0909996A2 Clock/radio powered by solar energy |
04/14/1999 | EP0908799A2 Electronic clock having an electric power generating element |
04/08/1999 | WO1999017174A1 Small-sized electronic equipment |
03/31/1999 | EP0905877A1 Oscillation circuit, electronic circuit, semiconductor device, electronic equipment and clock |
03/30/1999 | US5889735 Thermoelectrically powered wrist watch |
03/24/1999 | EP0903649A1 Electronic clock |
03/23/1999 | US5886953 Heavy-load drive apparatus for an electronic watch |
03/17/1999 | CN1210998A Dial formed of solar cell, in particular for timepiece |
03/09/1999 | US5881027 Timepiece movement |
02/24/1999 | EP0898355A2 Electronic apparatus |
02/17/1999 | CN1208511A Power supply device and portable electronic equipment |
02/17/1999 | CN1208284A Power-generation detection circuit, semiconductor device, electronic device, clock, power-generation detection method, and power consumption control method |
02/16/1999 | US5872744 Battery arrangement for a wrist-carried radiotelephone |
01/19/1999 | US5862046 For a timepiece |
01/13/1999 | EP0891038A1 Power supply device and portable electronic equipment |
12/23/1998 | EP0886197A1 Power-generation detection circuit, semiconductor device, electronic device, timepiece, power-generation detection method, and power consumption control method |
11/11/1998 | CN1040700C Timepiece including a power cell compartment closed by a gasket seal |
11/10/1998 | US5835457 Electronic watch and method of charging the same |
11/05/1998 | WO1998025333A3 Power converter with reduced energy consumption from a very low voltage source |
11/04/1998 | CN1198223A Electronic timepiece |
11/04/1998 | CN1197944A Electrical apparatus supplied by photo-voltaic power source, in particular timepiece |
10/28/1998 | CN1197326A Oscillatory circuit, electronic circuit, semiconductor device, electronic instrument and clock |
10/21/1998 | EP0872783A1 Dial constituted by a solar cell, in particular for a timepiece |
10/21/1998 | CN1196596A Power generating device, method and clocking device |
10/21/1998 | CN1196510A Dial formed of solar cell in particular for timepiece |
10/14/1998 | CN1195795A Chopper-amplifier for voltage of photovoltaic power source, in particular for timepiece |
10/07/1998 | CN1195408A Timepiece movement |
09/30/1998 | EP0867787A1 Electronic watch with built-in solar cell |
09/11/1998 | WO1998039693A1 Electronic circuit, semiconductor device, electronic equipment, and clock |
09/02/1998 | EP0862262A2 Power generating device, charging method and timepiece |
09/02/1998 | EP0862099A1 Rechargeable electronic device |
09/01/1998 | US5801668 Small hand-held electronic apparatus with field effect light emitting device |
08/26/1998 | EP0860757A1 Electronic timepiece |
08/25/1998 | US5798985 Electronic watch and method of driving the same |
08/19/1998 | EP0859454A1 Switch mode booster of a photovoltaic source voltage, especially for a timepiece |
08/13/1998 | WO1998035272A1 Electronic clock |
08/04/1998 | US5790478 Time-keeping instrument, in particular an analog-type electric wrist watch |
07/29/1998 | EP0855633A1 Electronic timepiece |
07/29/1998 | CN1189010A Oslillation circuit, electronic circuit, semiconductor device installing the same, timepiece and electronic device |
07/28/1998 | US5787054 Portable electronic device |
07/23/1998 | WO1998032218A1 Oscillation circuit, electronic circuit, semiconductor device, electronic equipment and clock |
07/16/1998 | DE19700108A1 Electronic clock power supply |
07/15/1998 | EP0853265A1 Electronic apparatus functioning with the aid of a photovoltaic cell, in particular timepiece |
07/09/1998 | WO1998019208A3 Nonemissive displays and piezoelectric power supplies therefor |
07/01/1998 | EP0851323A1 Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same |
07/01/1998 | EP0851322A1 Micro-generator, module and time piece, containing such a micro-generator |
06/30/1998 | US5774352 Power circuit for driving a capacitive load |
06/24/1998 | EP0848842A1 Timepiece movement |
06/11/1998 | WO1998025333A2 Power converter with reduced energy consumption from a very low voltage source |
06/11/1998 | CA2274008A1 Power converter for supplying electricity to an autonomous apparatus with low consumption from a very low voltage source |
06/10/1998 | EP0846989A1 Oscillation circuit and electronic circuit, and semiconductor device, timepiece, and electronic device equipped with the same |
05/27/1998 | EP0844540A1 Timepiece device |
05/27/1998 | EP0843576A2 Movement powered medical pulse generator having a full-wave rectifier with dynamic bias |
05/22/1998 | WO1998021815A1 Power supply device and portable electronic equipment |
05/07/1998 | WO1998019208A2 Nonemissive displays and piezoelectric power supplies therefor |
04/22/1998 | EP0837377A1 Thermoelectrically powered wrist watch |
04/14/1998 | US5740132 Electronic timepiece and method of charging the same |
03/19/1998 | WO1998011473A1 Electronic watch with built-in solar cell |
03/18/1998 | EP0829781A1 Thermoelectrically operated timepiece |
03/05/1998 | WO1998009202A1 Electronic timepiece |
02/26/1998 | WO1998008146A1 Rechargeable electronic device |